What are the 3 sides of a triangle called?

In a right triangle, the hypotenuse is the longest side, an "opposite" side is the one across from a given angle, and an "adjacent" side is next to a given angle.

Are all 3 sides of a triangle equal?

A triangle with all sides equal is called an equilateral triangle, and a triangle with no sides equal is called a scalene triangle. An equilateral triangle is therefore a special case of an isosceles triangle having not just two, but all three sides and angles equal.

What are sides A and B called on a triangle?

The longest side of the right triangle (the side opposite the 90o angle) is called the hypotenuse and the other two (shorter) sides are called the legs of the triangle. The legs of a right triangle are commonly labeled "a" and "b," while the hypotenuse is labeled "c."

What does B stand for in triangle?

A triangle is a polygon with three sides. We know that the area of a rectangle is b×h , where b is the base and h is the height of the rectangle. Using the formula for the area of a rectangle, we can find the area of a triangle.

How do you know which sides are AB and C in a triangle?

In any right-angled triangle, ABC, the side opposite the right-angle is called the hypotenuse. Here we use the convention that the side opposite angle A is labelled a. The side opposite B is labelled b and the side opposite C is labelled c.

3 Types of triangle

What is a triangle with 3 uneven sides called?

A scalene triangle has three unequal sides. It also has three. unequal angles. On the other hand, an equilateral triangle is one in which the length of all sides are equal.

What are the 3 main types of triangles?

Let's start with the three types of triangles that are categorized by the measure of their largest angle. These are the acute, right, and obtuse triangles.

What is the sum of all sides of a triangle is called?

The sum of all sides of a triangle is known as perimeter.

What are all sides equal called?

A triangle whose all the sides are equal is called an equilateral triangle.

What is the triangle rule called?

The Greek mathematician Pythagoras is credited with creating a mathematical equation to find the length of the third side of a right triangle if the other two are known. This has become known as the Pythagorean theorem, which is written out as a2+b2=c2 a 2 + b 2 = c 2 .

What is a triangle polygon called?

Trigons. Trigons are polygons who have three sides. They are nothing but triangles.

What are 3 facts about triangles?

A triangle is a two-dimensional shape with three straight sides and three angles. A triangle has three sides, three vertices, and three angles. The sum of the three interior angles of a triangle is always 180°. The sum of the length of two sides of a triangle is always greater than the length of the third side.

What is another name for a triangle?

What's the scalene triangle?

What is a Scalene Triangle? A scalene triangle is a triangle in which all three sides are in different lengths, and all three angles are of different measures. However, the sum of all the interior angles is always equal to 180 degrees.

What are the parts of a triangle called?

Every triangle has three sides and three angles, some of which may be the same. The sides of a triangle are given special names in the case of a right triangle, with the side opposite the right angle being termed the hypotenuse and the other two sides being known as the legs.

What are four names for a triangle?

"There are four types of triangle: equilateral, isosceles, scalene and right-angled."

What are the terms related to triangle?

Scalene, isosceles and equilateral triangle are the types of triangles which differ from each other based on their side-length. If all the three sides are different in length, then its scalene triangle. If any two sides are equal in length, then it is an isosceles triangle.

What makes a triangle impossible?

Given sides: If the sum of the two shorter sides is less than or equal to the longest side, it is impossible to make a triangle. Given angles: If the sum of the three angles is not equal to 180°.

What is the most famous theory of triangles?

Pythagorean theorem, the well-known geometric theorem that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse (the side opposite the right angle)—or, in familiar algebraic notation, a² + b² = c².

Why is it called a triangle?

Triangle comes from the Latin word triangulus, "three-cornered" or "having three angles," from the roots tri-, "three," and angulus, "angle or corner."

What are the sides of a triangle?

The sides of a triangle are straight lines that are joined by the three vertices of the triangle. In other words, we can say that the sides of a triangle are line segments that meet each other at the vertices of the triangle.

Why is a triangle not a quadrilateral?

By the property of a triangle, it has three sides and three angles also known as trigon, the root word “tri” means “three”. Quadrilaterals have four sides and four angles, the root word “quad” means “four”. Hence, a triangle will never be a quadrilateral, because they do not share traits and the properties.

Is A triangle A parallelogram?

A triangle is a parallelogram. This is never true. A triangle is a three-sided figure. A parallelogram is a four-sided figure with two sets of parallel sides.

What is Pythagoras rule?

Pythagoras theorem states that “In a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides“. The sides of this triangle have been named Perpendicular, Base and Hypotenuse. Here, the hypotenuse is the longest side, as it is opposite to the angle 90°.